galpy.potential.omegac

galpy.potential.omegac(Pot, R, t=0.0)

Calculate the circular angular speed velocity at R in potential Pot.

Parameters:

• Pot (Potential or a combined potential formed using addition (pot1+pot2+…)) – Potential instance or combination thereof.

• R (float or Quantity) – Galactocentric radius.

• t (float or Quantity, optional) – Time (default: 0.0).

Returns:

Circular angular speed.

Return type:

float or Quantity

Notes

• 2011-10-09 - Written - Bovy (IAS)